Karyopharm Therapeutics Inc. - Common Stock, par value $0.0001 per share (KPTI)

Q: What does CUSIP 48576U106 represent in this 13F holders report?

CUSIP 48576U106 is the security identifier for KPTI - Karyopharm Therapeutics Inc. - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held KPTI - Karyopharm Therapeutics Inc. - Common Stock, par value $0.0001 per share in Q2 2020?

155 institutional investors reported KPTI - Karyopharm Therapeutics Inc. - Common Stock, par value $0.0001 per share for Q2 2020. Use the holders table for investor-level position and value details.

CUSIP: 48576U106

Q2 2020 13F Holders as of 30 Jun 2020

Security type / class: Equity / Common Stock, par value $0.0001 per share
Total 13F shares: 69,738,739
Total 13F value: $1,320,807,090
Share change: +2,442,866
Put/Call ratio: 49%
SEC-reported price per share: $18.94
Number of holders: 155
Value change: +$45,201,421
Number of buys: 108
Number of sells: 53
Shares outstanding: 22,658,403

Security key

48576U106

Report period

Q2 2020

Institutions

155

Top holders

KPTI full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2020 Previous quarter: Q1 2020 Karyopharm Therapeutics Inc. SEC filings Karyopharm Therapeutics Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 48576U106

Newer quarter: Q3 2020 Previous quarter: Q1 2020

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top reported holders of KPTI - Karyopharm Therapeutics Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Consonance Capital Manage...

Disclosed value leader

Consonance Capital Manage...

Comparable rows

15/15

Latest evidence

31 Mar 2020

13F Lead comparable stake: 32% Showing 1-6 of 15 holder rows.

Quick read

Consonance Capital Management LP leads the comparable SEC ownership view at 32%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Consonance Capital Management LP's linked filing trail.

Comparable ownership Top 5

Consonance Capital Management LP 32%

Avoro Capital Advisors LLC 31%

BlackRock Finance, Inc. 24%

Palo Alto Investors LP 19%

ADAGE CAPITAL PARTNERS GP, L.L.C. 16%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Consonance Capital Management LP	13F Company 13F	32%	$137,941,000 7,180,700 shares	—	31 Mar 2020
Avoro Capital Advisors LLC	13F Company 13F	31%	$134,470,000 7,000,000 shares	—	31 Mar 2020
BlackRock Finance, Inc.	13F Company 13F	24%	$102,313,000 5,326,002 shares	—	31 Mar 2020
Palo Alto Investors LP	13F Company 13F	19%	$82,601,000 4,299,901 shares	—	31 Mar 2020
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	16%	$71,529,000 3,723,532 shares	—	31 Mar 2020
JANUS HENDERSON GROUP PLC	13F Company 13F	14%	$62,487,000 3,252,828 shares	—	31 Mar 2020

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2020

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

155

69,738,739

Rows available

155

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q2 2020 vs Q1 2020 Across Filers

Q1 2020 holders

135

Q2 2020 holders

155

Holder diff

Investor	Q1 2020 Shares	Q2 2020 Shares	Share Diff	Share Chg %	Q1 2020 value	Q2 2020 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend